He tried his best to solve the problem, difficult it was.
#66875
A
no matter what
B
whatever
C
however
D
how
推荐题目
It is such a modern machine ______ few of the workers know how to operate.
#71962
A
as
B
which
C
that
D
the one
He came here in the hope he could learn about the cause of the accident.
#67372
A
which
B
how
C
that
D
what
________ day you come, we will be pleased to see you．
#70167
A
Whenever
B
Wherever
C
Whoever
D
Whichever
The athletes, especially the winners, should remain modest ____ rapid progress they’ve made.
#69532
A
however
B
how much
C
whatever
D
no matter
She asked the man _______ it was true he had been a soldier before.
#71858
A
whether; that
B
that; that
C
if; when
D
what; whether